clear facts on rp_filter WRT ip_forward and documentation?
From: Marcus Blomenkamp
Date: Tue Mar 30 2004 - 04:24:45 EST
/me could not find definitive statements on the behaviour of rp_filter. Kernel
documentation, runtime observations and common pratice in distros do not
Formal question: valid values? Documentation/networking/ip-sysctl.txt reports
only boolean range - i can clearly remember doc fragments in google listing
'2' for stricter checkings.
Default value? Above-mentioned probably outdated docs say '1' -
observing /proc tells a different story.
Black magic - if i turn on ip_forward, is rp_filter then automagically active
too? Keeping track of a running system's /proc dir did not reveal any
indication of this.
Sorry for my plumpy questions,
best regards, Marcus
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